May 21, 2020 / By Antonia Noori Farzan, Katie Shepherd, Jennifer Hassan, Rick Noack, John Wagner, Mark Berman, Marisa Iati, Adam Taylor and Brittany Shammas As leaders around the world struggle with how and when to loosen — or even reimpose — pandemic restrictions, the novel coronavirus continues its deadly spread. The number of confirmed infections worldwide surpassed 5 million after the worst day yet for new cases. World Health Organization …